https://www.empevmobility.com/products/3.3kw-on-board-chargers.html Product Features: Adopts liquid-cooled seal waterproof and dust-proof structure, with lower temperature rise than natural cooling and high reliability of the whole machine. Meets ISO26262 ASIL B safety level. Full-function protection: input overvoltage undervoltage, output overvoltage undervoltage, output overcurrent, short-circuit, over-temperature protection, etc. Small product volume, lightweight, and easy installation.